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I created a custom menu with dropdowns. (just CSS no JavaScript).
I also added a custom CSS class for the first menu item.

So far so good.

The point were I get stuck is adding a custom dropdown only for the first menu item which is different from the other item dropdowns. Also I would like to set a different has-children style for the first item.

Does anybody know how this can be done?

Here is my custom walker:

class topmenu_walker_nav_menu extends Walker_Nav_Menu {

    function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ) {
        $id_field = $this->db_fields['id'];
        if ( !empty( $children_elements[$element->$id_field] ) && ( depth == 0 ) ) {
            $element->classes[] = 'has-children'; // Use any classname you like
        }
        Walker_Nav_Menu::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
    }

function start_lvl( &$output, $depth ) {
    // depth dependent classes
    $indent = ( $depth > 0  ? str_repeat( "\t", $depth ) : '' ); // code indent
    $display_depth = ( $depth + 1); // because it counts the first submenu as 0
    $classes = array(
        'subnav',
        ( $display_depth % 2  ? 'menu-odd' : 'menu-even' ),
        ( $display_depth >=2 ? 'sub-sub-menu' : '' ),
        'menu-depth-' . $display_depth
        );
    $class_names = implode( ' ', $classes );

    // build html
    $output .= "\n" . $indent . '<ul class="' . $class_names . '">' . "\n";
}


 function start_el( &$output, $item, $depth, $args ) {
    global $wp_query;
    $indent = ( $depth > 0 ? str_repeat( "\t", $depth ) : '' ); // code indent

    // depth dependent classes
    $depth_classes = array(
        ( $depth == 0 ? 'main-menu-item' : 'sub-menu-item' ),
        ( $depth >=2 ? 'sub-sub-menu-item' : '' ),
        ( $depth % 2 ? 'menu-item-odd' : 'menu-item-even' ),
        'menu-item-depth-' . $depth
    );
    $depth_class_names = esc_attr( implode( ' ', $depth_classes ) );

    $classes = empty( $item->classes ) ? array() : (array) $item->classes;
    $class_names = esc_attr( implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ) );

    $output .= $indent . '<li id="nav-menu-item-'. $item->ID . '" class="' . $depth_class_names . ' ' . $class_names . '">';

    // link attributes
    $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
    $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
    $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
    $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
    $attributes .= ' class="menu-link ' . ( $depth > 0 ? 'sub-menu-link' : 'main-menu-link' ) . '"';

    $item_output = sprintf( '%1$s<a%2$s>%3$s%4$s%5$s</a>%6$s',
        $args->before,
        $attributes,
        $args->link_before,
        apply_filters( 'the_title', $item->title, $item->ID ),
        $args->link_after,
        $args->after
    );

    // build html
    $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}

add_filter( 'wp_nav_menu_objects', 'tgm_filter_menu_class', 10, 2 );
/**
 * Filters the first and last nav menu objects in your menus
 * to add custom classes.
 *
 * @since 1.0.0
 *
 * @param object $objects An array of nav menu objects
 * @param object $args Nav menu object args
 * @return object $objects Amended array of nav menu objects with new class
 */
function tgm_filter_menu_class( $objects, $args ) {

    // Only apply the classes to the primary navigation menu
    if ( isset( $args->theme_location ) )
        if ( 'main-menu' !== $args->theme_location )
            return $objects;

    // Add "first-menu-item" class to the first menu object
    $objects[1]->classes[] = 'settingsitem';

    // Add "last-menu-item" class to the last menu object
    $objects[count( $objects )]->classes[] = 'last-menu-item';

    // Return the menu objects
    return $objects;

}


    function output_top_menu() {

    echo '<div class="nav-container"><div class="container">';
    wp_nav_menu( array('depth' => 2, 'container_class' => 'nav', 'menu_id' => '', 'walker' => new topmenu_walker_nav_menu(), 'theme_location'=>'main-menu') );  
    echo '</div></div>';


    }

Here is my CSS:

.nav-container {
    background: #232323;
        width:100%;
margin-bottom: -5px;
    height: 60px;
    display: inline-block;
}

.nav {
    background: #232323;
    width:996px;
margin-bottom: -5px;
    height: 60px;
    display: inline-block;
}

.nav li {
    float: left;
    list-style-type: none;
    position: relative;
}

.nav li a {
    font-size: 16px; 
    color: white;
    display: block;
    line-height: 60px;
    padding: 0 26px;
    text-decoration: none;
    border-left: 1px solid #2e2e2e;
    font-family: Montserrat, sans-serif;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.5);
}
.nav li a:hover {
    background-color: #2e2e2e;
}


#settings a {
    padding: 18px;
    height: 24px;
    font-size: 10px;
    line-height: 24px;

}



.settingsitem a {
    font-size: 16px; 
    color: white;
    display: block;
    line-height: 60px;
    padding: 0 26px;
    text-decoration: none;
    border-left: 1px solid #2e2e2e;
    font-family: Montserrat, sans-serif;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.5);


}
#options a{
    border-left: 0 none;
}
#options>a {
    background-image: url(triangle.png);
    background-position: 85% center;
    background-repeat: no-repeat;
    padding-right: 42px;
}
.subnav {
    visibility: hidden;
    position: absolute;
    top: 110%;
    right: 0;
    width: 200px;
    height: auto;
    opacity: 0;
    transition: all 0.1s;
    background: #232323;
        z-index:1000;
}
.subnav li {
    float: none;
}
.subnav li a {
    border-bottom: 1px solid #2e2e2e;
}
#options:hover .subnav {
    visibility: visible;
    top: 100%;
    opacity: 1;
}

.nav li.has-children a{
    border-left: 1px solid #2e2e2e;
}
.nav li.has-children>a {
    background-image: url(triangle.png);
    background-position: 85% center;
    background-repeat: no-repeat;
    padding-right: 42px;
}

.nav li.has-children:hover .subnav {
    visibility: visible;
    top: 100%;
    opacity: 1;
}
share|improve this question
    
Don't you have a class specific to the first item? –  s_ha_dum Jul 1 '13 at 21:33
    
yes - I just updated my question with the code. Can you help? Thank you very much! Class for the first item should be .settingsitem –  Simon H. Jul 1 '13 at 21:42
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